Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\coredump.c Create Date:2022-07-28 20:30:54
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:wait_for_dump_helpers

Proto:static void wait_for_dump_helpers(struct file *file)

Type:void

Parameter:

TypeParameterName
struct file *file
515  pipe = needed for tty driver, and maybe others
517  pipe_lock(pipe)
518  readers++
519  writers--
520  wake_up_interruptible_sync( & wait)
521  kill_fasync( & fasync_readers, SIGIO, data input available )
522  pipe_unlock(pipe)
528  wait_event_interruptible - sleep until a condition gets true*@wq_head: the waitqueue to wait on*@condition: a C expression for the event to wait for* The process is put to sleep (TASK_INTERRUPTIBLE) until the(wait, readers == 1)
530  pipe_lock(pipe)
531  readers--
532  writers++
533  pipe_unlock(pipe)
Caller
NameDescribe
do_coredump